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Using System; using System.Linq;. string[] strs = { alpha, beta, gamma };




class LetDemo {

static void Main() {

string[] strs = { "alpha", "beta", "gamma" };

// , // . // from, var chrs = from str in strs

let chrArray = str.ToCharArray()

From ch in chrArray orderby ch select ch;

Console.WriteLine(" , :");

// , foreach(char in chrs) Console.Write( + " ");

Console.WriteLine();

}

}

.

, : aaaaabeghlmmpt

, let chrArray , str.

ToCharArray().

let chrArray = str.ToCharArray()

let chrArray , . C# IEnumerable<T>, chrArray , from. , from , .

let . IntoDemo .

var webAddrs = from addr in websites

let idx = addr.LastlndexOf('.') where idx!= -1

group addr by addr.Substring(idx) into ws where ws.Count() > 2 select ws;

idx. Substring (). .

join

, , . , - , , , . , , . - "" ( ). LINQ, join.

join ( from).

from __ in __ join __ in __

on __. equals __.

join, , , . __ __ , . on . __. __. , "" . , join , , .

, join , , . , j in , , . -.

, Item, . InStockStatus, , . , Temp : (string) (bool). . join , .

// join.





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